: an action or instance of filling up something (such as a gas tank)

Examples of fill-up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This offer is currently elevated from now until May 29, 2026, and members can receive 20 cents off per gallon on one fill-up every Friday. Ryley Amond, CNBC, 8 May 2026 And with the average passenger car carrying between 12 and 16 gallons of fuel, according to online car-shopping guide Edmunds, costs can add up quickly per fill-up. Becca Stanek, TheWeek, 29 Apr. 2026 Add that on to possibly one to two fill-ups a day. Derek James, CBS News, 29 Apr. 2026 Alpenblow doesn't list a flow rate but estimated fill-up times for most sleeping pads range between three and five minutes, compared to the 75 seconds Nitecore estimates for the AP01. New Atlas, 20 Apr. 2026 See All Example Sentences for fill-up

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of fill-up was in 1853

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Cite this Entry

“Fill-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fill-up. Accessed 12 May. 2026.

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